Typewriting machine



1927. 1528.081 May 10 H. VICKERS TYPEWRITING MACHINE I Filed Feb. 6 1925 3 Sheets-Sheet 1 lnven for WWW May 10 1927' H. H. VlCKERS TYPEWRITING MACHINE Filed Feb. 6 1925 s Sheets-Sheet 2 ES k 205 H. H. VICKERS TYPEWRITING MACHINE Filed Feb. 6 1925 3 Sheets-Sheet 3 Patented May It), 1927.

UNITED STTES PATENT OFFICE.

HARRY H. VICKI'JRS, OF CORONA. NEW YORK. ASSIGNOR TO UNDERWOOD TYPE- WRITER COMPANY, OF NEXV YORK, N. Y., A CORPORATION OF DELAWARE.

TYPEWRITING MACHINE.

Application filed February 6, 1925.

'lhis invention relates to means to facilitate handling and adjusting of superposed orlosheets around the platen of a typeritingr machine. The invention is in the nature of iinprovcments which may be used th parts shown in the application of Jesse it. ll. f'lmitln No. 598,0fi6, tiled October 31, 1922 (now Patent No. l,52l,758, dated February it, 1925), in which all of the items of succe iively typed statement or bill sheets are copied on a record or proof shech which record-sheet remains in the machine with a. v uperpo---cd carbmwheet.

in said application the record'sheet and ll: carbon er! introduced at the rear of the platen. over an auxiliary paper-table. The ill-sheet is also introdi ed at the rear of the plalen, but is condo over the usual ear paper table which is located behind the auxiliary paper-table at the introductory .-ide of the platen. The record-sheet is coir ducted behind a collating table at the front platen and upon which the bill-sheet zit-a be adjusted relatively to the recordwheel. i the completion of typing of each bill-sheet the nsual feed-rolls are released to iiiiaie a iapid removal of the completed 1 l-rllttjL and also enable a rapid insertion of a new untvped bilhsllcct around the platen from the rear thereof. lrurinn sucn 1 Lion of i e statfluent-sheets it 1-- ieurable to prevent arci'iienlul di:-pl;uc1nent u rd:-lieet. ltccoiulin dv there are pso-.ided holding devices or clamps which ineifective. but which may be rendersl ctlt lvc to hold the record-sheet inst the platen prior to the rcieme of the l w it feature of the present invention relates to means automatically controlled by the Iced-roll release lever to render the clamps ell ective during the initial movement ot said lever. so that the record-sheet may first be prpped. after which a further movement of "a d lever i etiective to release the feediolp, it) thus enable the rapid removal of the in; statement and insertion of an untyped mnent, as previously tated.

fin-other feature of the invention relates means to ei'nible erasures to be made on i l-u recordshcet. To this end. the sheeta=-itioni1ur table at the delivery side of the minovaniy supported on the 'da'tcnnrztme so that it may he detached to Serial No. 7,243.

give access to the record-sheet at the rear thereof. Said table is supported on a crossbar which is provided at one end with a horizontal slot. so as to embrace a stud at one end of the platen-frame. The other end of the cross-bar provided with a vertical slot extending upwardly from its lower edge, so that the bar may be swung down to embrace a stud secured to the other end of the platen-frame. A thumb-screw is pro vided on the last-named stud by which the detachable but may be secured in place.

Another feature of the invention relates "to the detachability of the record-sheet clamps with the front paper-table. To enable the removal of said clamps, they are supported on the detachable crossbar, said 'clamps being carried by a rock-shaft on said crossbar to enable them to be swung to their effective and ineffective positions while the cross-bar is attached to the platen-frame.

To operate said clamps, one end of the rock-shaft, upon which they are adj ustably supported lengthwise thereof, is provided with a crank-arm to be engaged by a cam pivoted on a bracket secured to the platenframe said cam being connected by means of a link to the feed-roll release lever to operate said rock-shaft, to thus throw the clamps against the platen when said feedroll release lever is operated to release the feed-rolls. The crank-arm of the cla1np supporting;- rock-shaft is so disposed relatively to the operating cam. on the platenframc. that it may readily be removed from the carriage without disturbin; said cant while the collating table is bcin; detached from the machine.

A further feature of the invention relate to means to facilitate the temporary release of the record-sheet clamps. to thus enable an adjustment of the record-sheet relatively to the printin; line. after the clamps have been rendered effective by the feed-roll release lever, and while said lever remain in its operated position.

Still another feature of the invention rclates to novel means to enahle endwise adjustment of the front sheet-positioning table which is composed of two sections individually adjustable, said adjustable means ('OIHPI'iSlHg brackets on the back of sa d tablesections to embrace the detachable cross-bar. and screws whieh bear against. said cross-bar to secure the table- 'sertions in their adjusted positions.

A still further feature of the invention relates to one or more side-edge gages on the auxiliary paper-table to position the record-sheet relatively to the front table, so as to bring about the proper relation lengthwise of the platen between record-sheet and statement-meet, said side-edge gages being also ell'eetive to loeate the rerord--sheet rela lively to tabulating meehanisnr and tom-- pitting meehanism. not shown. whieh may he like that ol the linderwood l)()t)l l (tplll: niaehine. and which caused to operate in rertaiu columns on the worksheets.

'lhe side-edge gages are supported in a novel manner by means comprising: a t'ioss bar located in front of the auxiliary paper-- table, and they are adjustable leiurtlnxise ol' said eross-bar. To this end. eaeh gage eon1- prises lips to embraee the uppeand lower edges of said eri'iss-bar, and a spring: seeured to the bark of the page to bear against said crossbar and irietionally hold said edge- ;rage in its adjusted position. To prevent obstruction oi the bottom edge oi the rec lli* sheet when it is desired to reversely feed it after its bottom edge has passed the low -r edge of the sideedgie g res, said are lured outwardly and attend into a gnome in the auxiliary paper-table.

To further prevent obstruetion oi' the res,- ord-sheet during reverse feeding operation. there provided. substantially in the middle of the carriage. a guide on the eros-liar whieh supports the side-edge gages to pre vent the bottom edge of the reeord-shee't. whieh tends to sag in the middle. rroni eolliding with said supporting bar.

Other features and advantages will hereinafter appear.

In the aeeompanying' drawings.

Figure l a seetional side elevation of an Underwood bookkeeping maehine. r:ll()\" ing the invention applied llltl'tflt). the set:- tion bein; taken on the line 11 of Figure l.

l 'igure 2 is a diagrammatie viewl similar to Figure l. but the eollatin; table having been removed lfrom the earriage, so that the arbon-sheet may be folded forward to enable erasures to be made on the record-sheet.

Figure 3 is a detail view. showing the yieldable connection between the erank-arm and the roek-shatt whieh supports the reeord-sheet clamps.

Figure l is a tront view of the parts shown in Figure 1.

Figure 5 is a rear view or the eollatin; table. showing its supporting bar. and the record-sheet clamps mounted on the roe-:- shaft carried by the supporting bar.

Figure 6 is a diagg'rammatie view similar to Figure 1. showing the teed-roll release lever operated st! lleiently to grip the ree0rtlsheet and its Zll\,\t)tl2ll.ttl earbon+.heel just prior to the release of the teed-rolls.

Figure I is a view similar to l la'ure (L but shows the feed-rolls l'UiUZL-dtl by a further movement ol' the 'ieed-roll release lever.

Figure H is it view similar to Figure 1', but shows the reeord-sheet clamps temporarily released, while the teed-roll release lever in its operated position to enable an al justment ol' the reeord-sheet relatively to the platen and printing lever.

Figure 9 is a detail viewt showing the pen sition to which the pin on the elamp-supporting roek-shat't has moved within a slot of a hub on the rranlearm when the handle or temporarily releasing tht elamps is op erated as in Figure 8. i

A record-sheet to having a superposed sheet of earbon-papi-r 11. is lirst inserted in the maehiue, leading; edge lirst. down an auxidary rear paper-table l2 under the platen l3, (o-operating; with the teed-rolls liand 1.7. and up in front of the phnen. The reeord+heet may be supplied to the math n in the form ol a roll at the rear thereol and it is laterally guided by paper-gram 1t; adjustably mounted on the table A statement-sheet 17 upon whieh it is desired to type data whieh must, at the same time, be (-opied on the record-sheet in. is then inserted in the maehine, leading edge first. down a paper-chute formed between the auxiliary r ar table 12 end a rear papen guide lit. The latter is last to the platen frame ll) by means of braelt'ets 2t) and serew. Lil. is it is desired to insert the statemeni sheet in front oi the reeord-siieet withotn disturbing the position of the latter. mean are provided whereby the feed-rolls may be rendered inoperative. while at the same time, a pair of spring-operated paper-darn 22 are simuitaneousl allowed to hold the record-sheet against the platen l l. whieh is revolubly mounted on a shaft 2:; and iour naled in the platen-frame. 'lhen the tart merit-sheet is forced downwardly under the platen. up in front thereo't' and over a ikoni table 24, to laterally position the same between the guiding edge 2!; whieh oim an integral part of said table Zl. the trilrolls are allowed to return 1 their nori I or eti'eetix'e position. whi e. at ie same time. the elamps 22 are thrown to their inetleetive po ition. The type-bar an i then operated. and a line or" typing is written upon the statement-sheet through the ribbon and translerred to the reeord-sln-et through thiearhon-paper.

When all data whieh must be reeorded on the reeord-dieet has been typed upon the statementasheet. the latter is withdrawn. and a 'liresh h et may be in till-d in the ma ehine. 'l'o withdraw the rdtlttlll lll ll i"l the teed-rol s must he releasel and the elanips :32 rendered eli'ertive, or that the statement Fit) fill

sheet may be gripped by its landing edge 26, and pulled out. ol the machine without displacing the record-slwet.

It is sometimes desired to make erasures on the record-sheet. and in order to reach the same it will be necessary to remove the table 24, which is slidably mounted on an angular cross-bar 29, and to pull the carbon-paper forwardly, as shown in Figure 2. The table may be detached from its supporting frames 30, which are fast to the platen-frame 19 by means of the screws :11 and 3t, by loosening a linger-screw 32, so that the bar 29 may he swung upwardly at this end, and so that a verlically-disposed slot will disengage the screw. Then the other end, which has a horizontally-disposed slot 34, engaging a shouldered pin fast to the frame 30, is withdrawn to take the table off the machine. As hereinbefore stated. in order to make erasures on the record-sheet, the carbon-paper has to be swung forwardly out of the way, and, to this end, the clamps 22, which normally hold the carbon-paper and record-sheet on the platen, must consequently be moved out of the way. With this object in view, the clamps 22 are mounted on a cross-shaft 36 which is rockably mounted on the bar 29. Said cross-shaft is provided with a longitudinal groove 37 into which a rod 38, held under the pressure of a spring 35), is titted to hold the clamps radially located on the shaft, while at the same time rendering the clamps slidahle therealomr. The clamps 22 comprise a supporting member 4H and a tlt wnwardlyextending linger it which is fast to the member ll) by means of screws +1. it the ends, the clamps are provided with pads +13 of robber or other soft material to more ef fectivel v' hold the paper. when a spring);

actuates to turn the shaft 3t and to force the clamp down ardlv.

lti is sometimes desired to temporarily rt lease the clamps while the feed-rolls are inetlective. and the clamps are consequently in their effective position. ()ne of the reasons may be to insert a new record-sheet or to correct its creeping away while fed around the platen. To this end. there is provided a lever l5, shown under the pres sure of a linger to in Figure 8. Said lever is fast to the shaft ht and is operative connected to a crank-arm or wieratingj arm to loosely mounted on the shaft 36 by means of a sprin l7 and a pin-andslot arrangze- 1mm 48. limiting; the travel of the crankarm or operating arm to relatively to the shaft filo and normally holding) said arm in the position shown in Figaro l. The spring a? held at one end on a pin ti fast on the arm to. and at the other end under a bent tab fi l of the lever ln order that when the feed-rolls are rell'tlriwl by means of the lever 51 to allow the insertion of the statement-sheet, the record-sheet may not be shifted out of place and, in order to simplify the operation and render the device more etlicienl, there is pro vided linkage to simultaneous!v operate both the feed-rolls and the paper 'lantps 22, that is to say, means whereby the clamps will be rendered effective during the first portion of the travel of the lever, and the feed-wells will be rendered inel'lective during the sec end portion of the travel. {a this manner the record-sheet will be controlled at all times either by the feed rolls or by the clamps thus rendering its displacement in:- possible. The feed-rolls are mounted on the shafts which are in on; journalled on supporting brackets 53 and 5-1, the latter being pivotall v mounted on the cross-shaft 55. Said brackets are provided with downwardly-extendi11g lin;;;ers at) cooperating with the rockably-mounted shalt: 57, which is in turn operated 'rv the action of the ct ank on fast thereto, and .s operat i ve iy connected to the rum J9 by means of a connecting link (ll) through pins (it and (32. the latter being; fast to the arm 59 which forms an integral part of the lever 51. both being fast on a shalt (555 which is fulcrumed on the bracket tilfast to the platen-frame 19. To control the fu ction of the clamp- 22 sin'ntltanetntsly with the operation of the feed-rolls, there is 'n'ovidcd the intermediatc linger-piece i3 5 lulerumed on a screw til on the supliortinn frames 5o. Said lirn tarqint-ce ($25 is operatively connecttal to the lever .33 by means of a lint; L33 which is mourned on a pin (36 fast to the linger-piece 6;; at one end. while the other end is connected to he lever 51 at ti? on a rearwardly-extendinn arm on. which forms an integral part of the lever id. The linger-piece as is provided with a cam face which coamerates with a roller t3!) fast on the crank-arm to so that when the tinger 1hr pulls the lever Til 'l'orwaidii from a po ition shown n Figure l to that shown in Figure (3 an: 7 succesively. tla cam-face H3 force the cranlt-arm 1o '\\'lll reirwardly. and due to its resilient connection between said arm. carrying the pin 4-9 last thereon. and the spring 47 wound around the shaft :atl. the clamps .22 are thrown to their et'l'ective r h'ion and held against the platen by the action of the l' ter spring -l--l-. also wound around the shaft St The gages lot de igned to laterally locate the record-sheet W. are operativclv mounted upon a (I't!--ll.l1 T which fa tened to xe tztlde 12 av mean ot' wrews Tl littiny and are held under the ten ion oi a spring Tl The front table comprises two sections T3 luv;

and 76. both supported by angular pieces 77 of which they form an integral part. 'lhere iv provided screw:-v T8 to locate the pieces Ti upon the cross-bar 2!). so that the .wo sections of the table may be adjustably moved along the cross-bar to suit the nidth :t the statement-sheet.

It is sometimes desired to bark up the reconlssheet. and to prevent obstruction ol the bottom edge of the record-sheet against the paper-mines to. the latter are provided with a. doenwardly exte nling tab Tl) which extends into a groove R0 l'ormed at the low er end of the auxiliary table 12. To 'l'nrther prevent obstruction of the I( .'()I'tl'+ l: (t during); reverse feeding". a center guide til is mounted on the crossbar 70. said guide being of the same general design as the ,e aeei ill. need not he described.

Variations may be resorted to within the .scope ot the invention. and portions of the iuun'ovements may be used without others.

Having thus described my invention. I claim:

1. In a t vpewriting machine. including a revoluble platen and teed-rolla therefor. the combination of a rear table. a guide-plate for guiding a record-sheet at the introductory side of said platen. said rear table i'ormine' a chute for conducting a statementsheet between the able and the guide-plate. a front table at the delivery side ot said platen tor laterally positioning the statement-sheet. a cross-bat for mounting the Front table. a rock-shaft IOtflittlJl) supported on cross-bar. clamps operatively nonnttal on said rock-shat't co-operating with the platen to hold the record-sheet therearoimd. and means tor simultaneously releasing: the tecd-rolls and rendering the clamps effective.

In a typewriting machine. including a revoluble platen and feed-rolls therel'or. the combination of a rear table. a guide-plate for guiding a record-sheet at the introductory side of said platen. said rear table forming: a chute for conductine a statementeheet between the table and the guide-plate. a front table at the delivery side of said platen tor laterally positioning the statement-sheet. a cross-bar for mounting the front table. a rock-shatt rockably supported on said cross-bar. clamps operatively mounted on .said rock-shaft co-ope'ating' with the platen to hold the recor(l--slieet therearrmnd. means for simultaneously releasing the teed-rolls and rendering the clamps effective. and means whereby the front table. the rocleshatt and the clamps may be manually removed from the machine. to manipulate the record-sheet In a typewritin e machine. the combination of a revoluble phi en. feedrolls and control mechanism theretor. including an operating lever. resilient sheet-engaging clamps at the delivery side oil the platen. and meansconnected with the leed roll-control mechanism to alternately render the clamps effective when the operating lever causes the teed-rolls to become inetl'ective. .-'-}':lll mcam inclu 'clint;- an operating arm for the elamps. a pivotally-monnted cam-lever 'l'or actuating the (liltitli-t perating arm. and a link connecting the can't-lever and the t'ced-roll-operat inn lever.

l. in a typewritingr machine having a platen. the combination with a collating table at the delivery side of the platen and havin; independent section of a detachahle Mssbnr angular i1. cz'osrs section extending in parallel relation w th the platen. annular brackets eecnrczl to the we." c-t the collah in table-sections and slltltt lf embracing the cross-bin. and means on the brackets to lock the se tions in adjusted positions relatively to the crossba' and the :daten.

3. In a typewriting' machine. including a revoluble platen. an auxiliary table at the introductory side ot the platen. a cross-bar adjustably mounted on raid table. two side gages elidably mounted on said crossbar. and l ning; for holding the eagles in a fixed po---'ition upon the bar.

6, ln a typewritionmachine. including a revoluble platen. an auxiliary table at the intrtaluetory side ot' the platen. a cross-bar ad ustably mounted on said table. two side 'l 1 't. and a guide disposed therebetvveen idady mounted on eaid croasbar. and pri s for holding the gages and the guide in a fixed position upon the har.

T. lit a typewritine' machine. including: a revoluble platen. an auxiliary table at the introductory side ot' the plain]. said table having a tran versely-cxtending grooie at the bottom thereof. a ci'o's-har adjustable mounted on said tahle above said groove. .side gages having; dewnwardly-exteznliini tongues litting" into said groove and lidably mounted on said cros z baiz and springs for holding: the .e'ae'es in a fixed POF' iltlOZl upon the bar.

R. In a typewriting machine. including a revoluble platen. teed-rolls and controlling: mechanism tha'e'tor including a lever. a double tablc termini: a chute at the introductory side of the platen. a table at the delivery side of the platen adjustably mounted on a ti'() --'l)t11 for positioning" a statementheet r 'uided bv aid chine. means for laterally ticnina' ord heel. rcr'ilient clamps operat V mm on the crossbar dispo ed to hold tl rtword-- .-eet and the :arbon-paper on the o aten against acci dental shitting. tll'li c an'ips cotmected to said crt l'eedz'oll-controlling? me liani m to be clatnpeil when the tecd roll are released. and means for guiding the record-fsheet at the introductory i ide of said platen. said last-mentioned means including a cross-bar ltl :ldjustably mounted on the rear table. two side gages slidablv mounted on said cross bar, and springs for holding the gages in a fixed position upon the bar. 7

9. In a typewriting machine including a revoluble platen and teed-rolls havimr controlling mechanism for feeding; a Work-sheet comprising a statement-sheet. a comparatively Wider record-sheet and an interleaved sheet of carbon-paper, in combination, means at the introductory side of said platen for laterally guiding the record-sheet, a crossbar at the delivery side of said platen, a collating table slidably mounted on said cross-bar for positioning the statement-sheet relatively to the record-sheet, means for holding the record-sheet and the carbonpaper fast on the platen While removing and inserting a fresh statement-sheet around the platen. said last-mentioned means, a rock shaft and paper-clamps rockably mounted thereon, said rock-shaft extending parallel to said cross-bar and journaled therein. and means controlled by the teed-rell-controlling: mechanism to Slllllllttlllf)llfl operate said clamps so that the recrnal'shcet may be gripped by the clamps previous to releasing: the pressure of the teed-rolls.

10. In a typewriting machine including: a revolulole platen and teed'rolls having controlling mechanism for feeding a Work-sheet comprising a statement-sheet. a comparatively Wider record-sheet and an interleaved sheet of carbonpaper, in combination, means at the introductory side of said platen for laterally guiding the record-sheet, a crossbar at the delivery side of said platen, a collating table slidably mounted on said crossbar for positioning the statement-sheet relatively to the recordsheet, means for holding the record-sheet and the carbonpaper fast on the platen While removing! and inserting a fresh statement-sheet around the platen, said last-mentioned means in cluding a rock-shaft and paper-clamps rockably mounted thereon. said rock-shaft extending parallel to said cross-bar and journaled therein, means controlled by the feed roll-controlling mechanism to simultaneously operate said clamps so that the recordsheet may be gripped by the clamps previous to releasing the pressure of the teed-rolls. and means whereby the collating table and the clamps may be manually ren'ioved from the machine to enable erasures to be made on the record-sheet.

11. In a typewriting: machine including a revoluble platen and feed-rolls having controlling mechanism for feeding a \VOll Sh(!Qt comprising a statement-sheet, a comparatively Wider record-sheet and an interleaved sheet of carbon-paper. in combination. means at the introductory side of said platen for laterally guiding the recordsheet, a cross bar at the delivery side of said platen,

collalins table slidably mounted on said cross-liar ter posit ()lllllf,f the statemen sheet relatively to the recerd sheet. means for holding the record-sheet and the carbonpaper last on the platen while removing and inserting a fresh statement-sheet around the platen. said last-mentioned means includiiur a rockshatt and paper-clamps rockably mounted thereon, said rock-shaft extending parallel to r'fllfl cross-bar and journaled therein. means controlled by the feed-rollcontrollinn mechanism to simultaneously operate said clamps so that the record-sheet may be gripped by the clamps previous to releasing the pressure of the feed-rolls, and means to render the clamps manually operable independently of the teed-roll-controll in; mechanism.

12. In a typewriting machine including a revoluble platen and teed-rolls having con trolling: mechanism for feeding a Worksheet COlIlllllSlllgi' a statement-sheet, a comparatively \vider rewrd-shcet and an interleaved sheet of carbon-paper. in combination, means at the introductory side of said platen for laterally guiding: the rec-or(l-:=:heet, a crossbar at the delivery side of said platen, a collating table slidably meunted on said cross-bar for positioning the statement-sheet elativcly to the recordsheet, means tor holding the record-sheet and the carbonpaper fast on the platen While removing and inserting a fresh statement-sheet around the platen, said last-mentioned means includnc; a rock-shaft and paper-clamps rockably mounted thereon. said rocleshat't extending: arallel to said cross-bar and journale-zl therein. means controlled by the feed-rollcontrolline mechanism to simultaneously operate said clamps so that the record-sheet may be gripped by the clamps previous to releasing: the pressure of the teed-rolls, and means to render the clamps n'ianually operable lntlOptDtlWltly of the feed-roll-controlline mechanism. said last-mentioned means ncludine; a lever to operate said rock-shaft ndependently of the teed-rollcontrolling mechanism.

13. In a typeyvritin c machine including a revolulole platen and feed-rolls having controlling: mechanism for feeding a Work-sheet comprising a statement-sheet, a con1paratively wider record-sheet and an interleaved sheet of carbon-paper, in combination, means at the introductory side of said platen tor laterally guiding the record-sheet, a crossbar at the delivery Side of said platen, a collating table slidably mounted on said cross-bar for positioning the statement-sheet re atively to the record-sheet, means for holding the record-sheet and the carbonpaper last on the platen while removing and inserting: a fresh statement-sheet around the platen, said last-mentioned means including a a rock-shaft and paper-clamps rockably Ill) mounted thereon, said rock-shaft extending parallel to said cross-bar and journaled therein, means controlled by the feed-rollcontrolling mechanism to simultaneously operate said clamps so that the record-sheet may he gripped by the clamps previous to releasing the pressure of the feed-rolls, means to render the clamps manually operable independently of the feedn'ollontrol ling mechanism, and means for rendering the clamps adjustable, said lasta'i'ieiiitioned means including a slot in said rock-shaft and a resilient detent in the clamps disposed to hold the clamps against radial displacement relatively to the shaft and for positioning and holding the clamps.

ll. In a typewriting machine including a revoluble platen, feed-rolls and feed-rollcontrolling mechanism. in combination, means for positioning a work-sheet includ ing a recordsheet and a statement-sheet relatively to each other, said means including a front table for positioning the statement-sheet. clamps at the delivery side of the platen for holding the record-sheet while inserting the statement-sheet, means for operating the clamps through the feed-roll-controlling mechanism, means for operating the clamps independently of the feed-roll-controlling mechanism, and means at the rear of the machine for inserting both the statementsheet and the re;ord-sheet, the latter having means for laterally positioning the same previous to entering the platen.

17 in a typewriting machine including a revoluble platen, feed-rolls and feed-rollcontrolling mechanism, in combination, means for positioning a work-sheet including a record-sheet and a statement-sheet relatively to each other, said means includ ing a front table for positioning the statemcnt-sheet, clamps at the delivery side of the platen for holding the record-sheet while inserting the statement-sheet, means for operating the clamps through the feed-rollcontrolling mechanism. means for operating the clamps independently of the feed-rolh controlling mechanism, and means at the rear of the machine for inserting both the statement-sheet and the record-sheet, the latter having means for laterally positioning the same previous to entering the platen, said last-mentioned means including a rear table, an auxiliary guideplate between the table and the platen, a cross-bar fast upon the guide-plate, side gages slidabl y mounted upon said cross-bar, and a spring on said gages to facilitate the manual positioning of the gages along the bar.

16. In a typewriting machine including a revoluble platen, feed-rolls and feed-rollcontrolling mechanism, in combination, n'leans for positioning a work-sheet includin a record-sheet and a statement-sheet relatively to each other, said means including a front table for positioning the statement-sheet, clamps at the delivery side of the platen for holding the record-sheet while inserting the statement-sheet, means for operating the clamps through the teed-rollcontrolling mechanism. means for operating the clamps llltlEP lltlGll l) ol' the l'ied roll ci'introlliug mccl'ianism. means at the rear of the machine For inserting both the state llltfiltfilltfGi and the l't ftil't'l t ll iCi, the latt r having means for laterally positioning hc same previous to entering the platen, :aid

last-mentioned meansincluding a rear table, an auxiliary guide-plate between the table and the platen, a cross-bar fast upon the guide-plate, side gages slidably mounted upon said cross-bar, and a spring on said gages to facilitate the manual po itioning of the gages along the bar, and means to permit the back feeding of the record-1-=liee'l, said last-mentioned means including downwardly-extending bends forming the edge o l the gages, said bends engaging with a groove in the table and a center guide to prevent the bottom edge from sagging at the center and from striking the cross-bar upon which the gages and the center guide are mounted.

17. in a typewriting machine, including a platen-frame and a revoluble pla en therefor, a supporting frame on each end of the platen-frai'ne, a channelshaped cross-bar, means for remorahly mounting said crossbar on the simporting frames, said means including a l'tltllflllV4llSpOSCl slot at one end of the cross-bar embracing a finger-screw on one supporting frame and a longitudi nally-disposed slot at the other end of the cross-bar engaging a pin fast to the other supporting frame, and a collating table transversely adjustable on said cross-bar.

18. In a typewriting machine, including a platen-frame and a revoluble platen therefor, a supporting frame on each end of the platen-frame. a cl'lannel-shaped cross-bar. means for removably mounting said crossbar on the supporting frames, a collating table adjacent the delivery side of the platen all justable on said cross-bar, a rock-shaft rocle ably supported on the cross-bar. resilient sheet-engaging clamps keyed to the rock shaft. but adjustable lengthwise thereon. an operating arm fast to one end of the rockshaft, said arm having a roller at its free end, and a cam-lever pivoted to the supporting frame adjacent that end of the rock-shaft carrying the operating arm,the roller on said arm coacting with the cam-portion of the lever, whereby on actuation of the cam-lever motion will be imparted to the rock-shaft through the operating arm to actuate the clamps.

19. In a typewriting machine. including a platen-frame and a revoluble platen therefor, a supporting frame on each end of the platen-frame, a channel-shaped cross-bar,

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means for removably mounting said crossbar on the supporting; frames, a collating table adjacent the delivery side of the platen adjustal'ile on sa d crossbar. a rock-shaft l'm kal'ilzi' supported on tilt (NW1 lint, Hsllitilt s-hiet eu u ;ln:1' lamps l( ."\'(il to the ["H'h" haft, hut :zi I li\\'i-t hereon, an operating arm far to one end of the rot-ls shaft. said arm having a roller at t free end, and a cam-lever pivoted to the support ing; tran'ie adjacent that end oi the role shaft carrying the operating; arm, the roller of said arm lying; in close proximity to the i-anrportion of the lever to operate the rockshaft and the clamps and removable therefrom upon the cross-bar and collating table being detached from the supporting frames.

20. In a typewriting machine. including a platen-frame and a revoluble platen therefor, a supportir r frame on each end of the platen-frame, a channel-shaped cross-bar, means for removahiy mounting said (Fossliar on the supporting frames, a rock-shaft roz-kahly supported on the crossbar, resilient sheetwngagging clamps keyed to the rockshaft, hut adjustable lengthwise thereon, an operating arm ha ving a pin-and-slot connection with the rock-shaft at one end thereof, means for actuating the operating arm to throw the clamps to effective position against the platen, and a lever keyed to the rockntalm- 1e:

shaft to rock-shaft to rock said shaft in a reverse direction through the pin-and-slot connection, to temporarily release the sheetengaging clamps from the platen.

2]. In a typewriting machine, including a platcnd'rzune and a revoluhle platen therefor, a HPIJOE'tlUQ frame on each end of the platenframe. a cross bar mounted on the su 'iportiug frames. at rock-shaft rockahly supported on the crossbar, resilient sheetengaging clamps keyed to the rock-shaft, hut adjustable lengthwise thereon, an operating arm having a pin-and-slot connection with the rock-shaft at one end thereof, to limitthe travel of said arm with respect to the rock-shaft, means for actuating the arm to throw the clamps to effective position against the platen and incidentally cause the arm to assume one extreme position of its travel with respect to the rock-shaft, a lever keyed to the shaft adjacent the arm, and spring means connecting the lever and arm to keep the latter in said position. the lever being operable against the action of the spring to rotate the shaft in a reverse direr tion, to temporarily release the sheet-engaging" clamps from the platen, the operating arm assuming the other extreme position of its travel with respect to the rock-shaft.

HARRY H. VICKERS. 

